ASUS Maximus II Formula - new P45 king?

[Legacy]

I am trying to get an e8400 to 4 GHz Stable using a 500 FSB !

Current Volts

cpu pll 1.6
Cpu 1.36
FSB 1.2
NB 1.4
Ram 2.1

FSB/DRAM 1:1
5
5
5
18

I can not pass more than 40 sec on orthos with these voltages. I don't know what voltages I should be rasing


I would appreciate any help

Thanks